| ZVON > References > Haskell reference |
| Intro / Search / ZVON |
| | Indexes | Syntax | >> Prelude << | Ratio | Complex | Numeric | Ix | Array | List | Maybe | Char | Monad | IO | Directory | System | Time | Locale | CPUTime | Random |
| Module: | Prelude |
|---|---|
| Datatype: | IO |
| Description: | |
| Definition: | data IO a -- abstract |
| In function types: | IO a : readLn String -> IO a : readIO FilePath -> String -> IO () : appendFile, writeFile FilePath -> IO String : readFile (String -> String) -> IO () : interact IO String : getContents, getLine IO a -> (IOError -> IO a) -> IO a : catch String -> IOError : userError IOError -> IO a : ioError a -> IO () : print IO Char : getChar Char -> IO () : putChar String -> IO () : putStr, putStrLn IO : |
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